Key controlled lock



Jan. 4, 1949. E, AUDET 2,458,046 i l KEY CONTROLLED LOCK Filed Aug. 2e,1947 2 sheets-sheet 2 Patented Jan. 4, 1949 `Esdras Audet, ShawiniganFalls, Quebec,`Canada ApplicationAugust 26, 1947, Serial No. `770,629

'Y Claims.

The present invention pertains to `a novel key controlled lock forvarious types of closures, and `particularly one that is to be'exposedout of doors as in the case of garage doors and the like.

The principalobject of the invention is to provide such a lock that issuiciently rugged to withstand the elements and which at the same timeis inexpensive and relatively simple to manufacture.

Another object of the invention is to provide a lock including a pair ofsimilar keepers carried respectively by the relatively movable parts ofthe door` assembly and adapted to be alined with each other to receive abolt designed to be locked to one oflthe keepers by a combinationlockmechanism.

In the accomplishment of these objects the aforementioned keepers are inthe form oi loops having a substantial wall area, while the boltis a-lrelatively heavy member adapted to tslidably in the alined keepers.The bolt receives an axiallymounted and rotatable lock cylinder normallyheld against rotation by tumbler pins extending into it from thebody ofthe bolt and released'bya key inserted in the cylinder as in aconventional key controlled lock. The tumbler pins do not lock intoeither of the keepers, but thebolt carries a pair of `slidable lockingvpins mounted transversely therein and 4receivable forlockingfengagement in opposite walls of one of `the keepers. These pinsare connectedto the cylinder for .actuation thereby,'preferably by meansof a connecting pin` mounted transversely in the cylinder and having itsends joined to the respective locking pins. `The non-locking ends of thelocking pins are backed by springsthat normally force thesepinszintothekeeper. On insertion of the properkey and on turning the cylinderwith the key, the locking `pins are `withdrawn from the keeper againstthe action of the backing springs. The boltmay then bewithdrawn from thekeepers,to break the connection between the keepers, whereupon the doormay be swung in its frame.

The invention is fully disclosed by way of example in the followingdescription and inthe accompanying drawings in which:

`Figure 1 is a perspective view of the lock applied to a door structure;

Figure 2 is a plan view thereof;

Figure 3 is a vertical longitudinal section;

Figureii is a perspective view of the locking bolt;

Figure 5 is a perspective View of the key;

`Figure `6 is a longitudinal -section of the locking bolt;

Figure 7 is a longitudinal section of the bolt, to a right angle to4Figure 6;

`Figure 8 is a section on the line 8-8 of Figure r6;

Figure 9 is a perspective view of a modied installation;

n y 2 Figure 10 isla `perspective view `,of one `of the keepers;

Figure 11 isla perspective `View 0f one `of `the locking springs;

`Figure `12 is an enlarged detail `ofvFigure 8; and I f Figurel13 is aperspective view of another modifled form of installation.

y Reference to these views will now be made by use ofllike characterswhich are employed to designate corresponding parts throughout.

In Figure 1 is shown a door Iladapted to swing or vslide in a framestructure designated by the numeral 2. A collaror keeper 3, shown indetail in Figure L10, isfastened to the frame 2 by abolt 5v extendingfrom the :keeper `through y the `frame 2.and secured in the latter bysuitable means such as a nutivancl washer l. Thedoor I carriessimilarloop or keeper v8 adapted to aline 4with the member 3 when the door isclosed, as shown-in Figures 1 and 3. The member 8 is held by-suitablemeans lsuch as a` screw 9 extending rigidly therefrom and fastened inthe door Ias shown in Figure 2. I

The alined members 3 and8 are held together byabolt IIl that slidesthereinfromoneencl and is formed at that end `with:a stop head IEI I anda nger p iece I2. lAt the opposite end thekeeper is formed with aninward ange I3 which constitutes a seat `fora coil `spring I4 received.`in the space `provided by the reduced `end I5 `of the keeper I8. Thespring I4 exerts an outwardpressure on the bolt IIJ toexpel theiboltpartiallyon release of the locking pins `that -will,presently-be Idescribed.

In the axis of the bolt IIJ is rotatablyvmounteda cylinder IS of theconventional key `controlledlock type. The cylinder has a longitudinalkey slot Il which is open and exposed at the end of the bolt oppositethe finger piece I2. The bolt Il) carried a suitable number of tumblersI8 (Figure 7) `lying transversely and normally moved by coil springs I9into appropriate recesses 20 in thev cylinderfl. The key 2| (-Figure 5)is formed with teeth 22 adapted to engage the projectedpins I8 and movethem out of the cylinderd, -whereupon the key may rotate the` cylinder,as well known in the combination lock art.

`At opposite :sides `ol the v4cylinder IB, `the bolt Ill carried a pairof slidable'locking pins 23 having bevelled ends `23' (Figure 4)receivable in recesses 24 formed respectively in oppositeinner walls ofthe -keeper 8 vas shown in Figures 'l and 12. The locking pins areconnected to thebolt I6 bynotches ,25 forming head `26 received insockets `2i? in the locking pins 23. At the nonlcckng end of each pin23, the bolt I0 is formed with a longitudinally extending `recess `orslot V28 in `which is mounted anfelongated flat spring 29, as shown inFigures 4, 6, 8, 11 and 12, One end of each spring bears against theadjacent end of the corresponding pin 23, while the opposite end isfastened to the body of the bolt I by suitable means such as a screw 30passed through a recess 3| in the spring. The opposite end of thespring, if desired, may also be formed with a similar recess 3'2straddling the corresponding pin 23 against a head 33 on the latter.

In the operation of the device, it is apparent that the springs 29normally iproject the locking pins 23 into their recesses 24, therebylocking the -bolt lil to the keeper 8. The door cannot be swung open'until the pins 23 have been withdrawn and the bolt lll removed from thekeepers 3 and 8. For the latter purpose, the key 2| enables rotation ofthe cylinder I6 'in the manner already described, to withdraw thelocking pins 23 from their recesses 24. In the modied installation shownin Figure 9, the door 40 swings in the frame 4| on a hinge comprisingleaves 42 and 43 fastened respectively to these parts. A loop or keeper48, corresponding to the keeper 8, extends from the leaf 42 and lies ona horizontal axis. Adjacent to the member 48, the leaf 42 is formed witha recess 44 adapted to pass over a keeper 3 fastened to the door 4I] andalined with the keeper 48. A bolt Ill is passed through both keepers andis equipped with locking mechanism similar to that described andconnected with the previous construction.

In the modification shown in Figure 13, the door or the frame carried abracket 5|) which in turn carries a pair of spaced and alined keepers 58corresponding to the keeper 8 of Figures 1-8. The other part of the doorassembly carries a keeper 53 receivable between and in alinement withthe member 58 and -corresponding to the keeper 3 or 3. adapted to beinserted in the alined Vkeepers 58, 53, 58, and'is equipped with lockingmechanism similar to that previously described. However, the ejectingspring for the bolt 6l) would obviously be seated in the lower keeper 58rather than in the member 53.

`Although specic embodiments of the invention have been illustrated anddescribed, it will be understood that various alterations in the detailsof construction may be made without departing from the yscope of theinvention as in dicated by the appended claims.

What I claim as my invention is:

1. A lock comprising a pair of keepers adapted to be carried byrelatively movable members and adapted for alinement with each other, abolt adapted to be passed through said keepers, a rotatable key cylinderin said bolt, a pair of locking pins slidable transversely in said boltat opposite sides of said cylinder and receivable in opposite sides ofone said keeper, and a connection from said cylinder to said pins foractuating the latter in unison.

2. A lock comprising a pair of keepers adapted to be carried -byrelatively movable members and adapted for alinement with each other, abolt adapted to be passed through said keepers, a rotatable key cylinderin said bolt, a pair of locking pins slidable transversely in said boltat opposite sides of said cylinder and receivable in opposite sides ofone said keeper, and a pin mounted transversely in said cylinder andhaving its ends connected respectively to said locking pins.

3. A lock comprising a pair of keepers adapted to be carried byrelatively movable members and adapted for alinement with each other, abolt A bolt 60 similar to the bolt IU is y adapted to be passed throughsaid keepers, a rotatable key cylinder in said bolt, a pair of lockingpins slidable transversely in said bolt at opposite sides of saidcylinder and receivable in opposite sides of one said keeper, and aconnection from said cylinder to said pins for actuating the latter inunison, and springs mounted in said bolt and bearing on said lockingpins to move them into said keeper.

4. A lock comprising a pair of keepers adapted to be carried byrelatively movable members and adapted for alinement with each other, abolt adapted to be passed through said keepers, a rotatable key cylinderin said bolt, a pair of locking pins slidable transversely in said boltat oppositesides of said cylinder and receivable in opposite sides ofone said keeper, and a pin mounted transversely in said cylinder andhaving its ends connected respectively to'said locking pins, and springsmounted in said bolt and bearing on said locking pins to move them intosaid keeper. Y

5. A lock comprising a pair of keepers adapted to be carried byrelatively movable members and adapted for alinement with each other, abolt adapted to be passed through said keepers, a rotatable key cylinderin said bolt, a pair 0f locking pins slidable transversely in said boltat opposite sides of said cylinder, said keeper having recesses inopposite walls thereof to receive an end of each of said pins, aconnection from said cylinder to said pins for actuating the latter inunison, and springs in said bolt and bearing against the remaining endsof said pins to move said pins into said recesses.

`6. A lock comprising a pair of keepers adapted to be carried byrelatively movable members and adapted for alinement with each other, abolt adapted to be passed through said keepers, a rotatable key cylinderin said bolt, a pair of locking pins slidable transversely in said boltat opposite sides of said cylinder, said keeper having recesses inopposite walls thereof to receive an end of each of said pins, pinmounted vtransversely in said cylinder and having its ends connectedrespectively to said locking pins, and springs 'in said bolt and bearingagainst the remaining ends of said pins to move saidpins into saidrecesses. 7. A lock comprising a pair of keepers adapted to be carriedby relatively movable members `and adapted for alinement with eachother, a bolt adapted to be passed through said keepers, a rotatable keycylinder in said bolt, a pair of locking pins slidable transversely insaid bolt at opposite sides of said cylinder, said keeper havingrecesses in opposite walls thereof to receive an end of each of saidpins, a connection'from said cylinder to said pins for actuating thelatter in unison, said bolt having a longitudinal recess in each of itssides at the remaining ends of said pins, a iiat spring mounted in eachof the last named recesses, each spring having one end fastened to saidbolt and its other `end bearing on the adjacent end of the correspondingpin.

ESDRAS AUDET.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Nam-e Date 262,397 Gauchet Aug. 8, 1882924,331 Feola June 8, 1909

